this is a mixed martial arts jim njim -- yim gym. he was regarded as one if not the best boxer here. he disappeared for some time and reappeared a few weeks ago and acting as if he owned the place. he was asked to leave because he was being disrespectful to other people working out at the gym and law enforcement took the surveillance equipment from this gym in part of their investigation. one fellow boxer told us tsarnaev struck a figure in the gym calling him a premiere athlete. trainer eddie bishop travelled with tsarnaev to a national competition. you said he was eccentric. >> he had cowboy boots on and leather pants and a special hat. >> bishop says tsarnaev was strong but not tenacious. >> he had a really big punch. he knocked a lot of people out but, you know, he lacked that fight. >> reporter: what do you mean? >> he couldn't get you out of there quick. >>> meanwhile, authorities in canada say they foiled a planned terror attack. on monday two men were arrested and charged with receiving reports from al qaeda networks to bomb